CN113899729A - Rapid detection method for lead alloy components - Google Patents
Rapid detection method for lead alloy components Download PDFInfo
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- CN113899729A CN113899729A CN202111196097.4A CN202111196097A CN113899729A CN 113899729 A CN113899729 A CN 113899729A CN 202111196097 A CN202111196097 A CN 202111196097A CN 113899729 A CN113899729 A CN 113899729A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/66—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light electrically excited, e.g. electroluminescence
- G01N21/67—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light electrically excited, e.g. electroluminescence using electric arcs or discharges
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/36—Embedding or analogous mounting of samples
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/36—Embedding or analogous mounting of samples
- G01N2001/366—Moulds; Demoulding
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Abstract
The invention discloses a method for rapidly detecting components of a lead alloy, and relates to the technical field of alloy production. The detection method specifically comprises the following steps: s1: taking a proper amount of lead alloy melt, sequentially adding the lead alloy melt into N moulds, and cooling in a water bath for 1-1.5min from the outer side of the mould after pouring; s2: taking out the lead alloy block from the die, and spraying a rapid cooling agent on the outer side of the lead alloy block for 20-30 s; s3: selecting one lead alloy block, clamping the lead alloy block onto a plane grinding machine through a clamp, firstly grinding one plane, and during grinding, carrying out flatness detection on the ground plane through a flatness detector. The invention can realize the rapid and efficient detection of the components of the lead alloy in the production process, has high detection accuracy, and can effectively avoid waste detection and improve the reliability of detection data.
Description
Technical Field
The invention belongs to the technical field of alloy production, and particularly relates to a rapid detection method for lead alloy components.
Background
The lead alloy, mainly add various other elements of right amount to lead in the industrial production, to improve the performance of lead, the finished product made can be used for meeting various needs in industry and life, in the production run of lead alloy, the staff needs to analyze the finished composition of lead alloy, in order to guarantee that the whole lead alloy composition can reach the qualified standard, at present, to the composition analysis mode of the lead alloy product, mainly make the finished product of lead alloy into powder, then add chemical agent to the powder and carry on the chemical analysis, in order to get the content of various compositions, however, the analysis mode of this kind of lead alloy composition has the following disadvantages in the actual use:
1. the method for analyzing the components of the lead alloy by the chemical analysis method has complex overall operation and cannot be applied to rapid industrial production, and the result obtained by analyzing the components by the chemical analysis method has low accuracy and poor overall practicability;
2. the existing method for analyzing the components of the lead alloy is mainly realized in a spot check mode, when the spot check finds that the detected components are unqualified, the whole lead alloy melt is unqualified, but the method does not consider the problem that the local components are unqualified due to the uneven stirring of the lead alloy, the detection effect is not ideal, and meanwhile, excessive waste detection is caused;
therefore, there is a need for improvement of the prior art to solve the above technical problems.
Disclosure of Invention
The invention aims to provide a method for rapidly detecting components of a lead alloy, which can rapidly and accurately detect the components of the lead alloy, has high reliability of detected data, avoids excessive waste operation caused by uneven local components, and solves the problems of low detection efficiency, poor detection accuracy and excessive waste operation in the actual use of the conventional lead alloy detection method.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a rapid detection method for lead alloy components, which specifically comprises the following steps:
s1: taking a proper amount of lead alloy melt, sequentially adding the lead alloy melt into N moulds, and cooling in a water bath for 1-1.5min from the outer side of the mould after pouring;
s2: taking out the lead alloy block from the die, and spraying a rapid cooling agent on the outer side of the lead alloy block for 20-30 s;
s3: selecting one lead alloy block, clamping the lead alloy block on a plane grinding machine through a clamp, grinding one plane, and detecting the flatness of the ground plane through a flatness detector during grinding;
s4: when the flatness of one plane of the lead alloy block is in accordance with the requirement, polishing the other surface of the lead alloy block which is parallel to the first polishing plane;
s5: when the flatness of the two planes of the lead alloy block is polished to meet the requirements, taking out the lead alloy block, and placing the lead alloy block on a detection table of a direct-reading spectrum analyzer;
s6: controlling a direct-reading spectrum analyzer to analyze the components of the lead alloy block;
s7: the direct-reading spectrum analyzer transmits the detected data to a processing system, and the processing system integrates the detected data and compares the integrated data with standard data stored in the system;
s8: after comparison, when the deviation of the content of each component in the detected data and the content of each component in the standard data is in a specified range, all lead alloy blocks are returned to the furnace for melting and use, and after T time, the operation is repeated according to the steps from S1 to S7;
s9: after comparison, when the deviation of the content of each component in the detected data and the content of each component in the standard data is out of the specified range, selecting the rest lead alloy blocks to operate according to the steps of S3-S7;
s10: when the deviation of the content of each component in the detected data from the content of each component in the standard data is out of the predetermined range, it is judged that the lead alloy component is not satisfactory, and when the deviation of the content of each component in the detected data from the content of each component in the standard data is out of the predetermined range, the operation is performed according to the step of S8.
Further, the lead alloy block obtained by the die molding in the step S1 has a cylindrical or rectangular shape.
Further, the refrigerant is liquid nitrogen or carbon dioxide.
Further, the refrigerant is liquid inert gas.
Further, the flatness of the plane detected by the flatness detector is less than or equal to 1mm/1000mm2。
Furthermore, the ratio of the content of the detected component to the content of the standard data component is in a prescribed range of 0.01-20%.
Further, N =4T +1, wherein N is the number of the lead alloy blocks sampled once, T is the interval time between two samplings, the unit of T is h, and T is more than or equal to 0.5h and less than or equal to 1.5 h.
The invention has the following beneficial effects:
1. according to the invention, the lead alloy melt is made into the to-be-detected piece with a specific shape, then the to-be-detected piece can be rapidly and efficiently detected through the direct-reading spectrum analyzer, the detection result is compared with the standard data, whether the component is qualified or not can be rapidly determined, and the accuracy of the analysis method of the component through the direct-reading spectrum analyzer is higher than that of a chemical analysis method.
2. In the detection process, through the arrangement of the plurality of pieces to be detected which are manufactured in the same batch of detection processes, when a worker detects that the first piece to be detected is unqualified, the worker can also detect other pieces to be detected in the same batch, so that the inaccuracy of the detection result caused by local unevenness is avoided, the detection accuracy is improved, and the waste operation is reduced.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below.
Example one
The invention relates to a rapid detection method for lead alloy components, which specifically comprises the following steps:
s1: adding a proper amount of lead alloy melt into 3 moulds in sequence, and cooling in a water bath from the outer side of the mould after pouring is finished, wherein the water bath time is 1min, and the lead alloy block prepared by the mould is cylindrical or rectangular;
the specific number of the dies can be calculated according to the following formula, wherein N =4T +1, wherein N is the number of the lead alloy blocks sampled once, T is the interval time between two samplings, the unit of T is h, and T is more than or equal to 0.5h and less than or equal to 1.5 h;
s2: taking out the lead alloy block from the die, spraying a quick cooling agent on the outer side of the lead alloy block for 20s, wherein the quick cooling agent is liquid nitrogen or carbon dioxide, and can also be liquid inert gas, and the quick cooling agent is mainly selected to realize quick cooling and avoid oxidation of the lead alloy;
s3: selecting one lead alloy block, clamping the lead alloy block on a plane grinding machine through a clamp, firstly grinding one plane, and during grinding, carrying out flatness detection on the ground plane through a flatness detector, wherein the flatness of the plane detected by the flatness detector is less than or equal to 1mm/1000mm2(the numerical values indicate the plane is 1000mm2When the inclined height of the surface is less than or equal to 1 mm);
s4: when the flatness of one plane of the lead alloy block is in accordance with the requirement, another surface of the lead alloy block, which is parallel to the first polishing plane, is selected again for polishing, specifically, when the lead alloy block is cylindrical, two end surfaces of the cylinder are polished, and when the lead alloy block is rectangular, any two parallel side surfaces of the rectangle are polished;
s5: when the flatness of the two planes of the lead alloy block is polished to meet the requirements, taking out the lead alloy block, and placing the lead alloy block on a detection table of a direct-reading spectrum analyzer;
s6: controlling a direct-reading spectrum analyzer to analyze the components of the lead alloy block;
s7: the direct-reading spectrum analyzer transmits detected data to a processing system, the processing system integrates the detected data and then compares the integrated data with standard data stored in the system, the ratio of the component content obtained by detection to the component content of the standard data is in a specified range of 0.01-20%, the standard data can be formulated according to industrial standards, or can be formulated by pre-detecting qualified products, and can be formulated by pre-detecting the qualified products, specifically manufactured by referring to the method in the patent No. CN 104359740A;
s8: after comparison, when the deviation of the content of each component in the detected data and the content of each component in the standard data is in a specified range, all lead alloy blocks are melted and used, and after 0.5h, the operation is repeated according to the steps from S1 to S7;
s9: after comparison, when the deviation of the content of each component in the detected data and the content of each component in the standard data is out of the specified range, selecting the rest lead alloy blocks to operate according to the steps of S3-S7;
s10: when the deviation of the content of each component in the detected data from the content of each component in the standard data is out of the predetermined range, it is judged that the lead alloy component is not satisfactory, and when the deviation of the content of each component in the detected data from the content of each component in the standard data is out of the predetermined range, the operation is performed according to the step of S8.
Example two
The invention relates to a rapid detection method for lead alloy components, which specifically comprises the following steps:
s1: taking a proper amount of lead alloy melt, sequentially adding the lead alloy melt into 5 moulds, and cooling in a water bath from the outer side of the mould after pouring is finished, wherein the water bath time is 1.2min, and the lead alloy block prepared by the mould is cylindrical or rectangular;
the specific number of the dies can be calculated according to the following formula, wherein N =4T +1, wherein N is the number of the lead alloy blocks sampled once, T is the interval time between two samplings, the unit of T is h, and T is more than or equal to 0.5h and less than or equal to 1.5 h;
s2: taking out the lead alloy block from the die, spraying a quick cooling agent on the outer side of the lead alloy block for 25s, wherein the quick cooling agent is liquid nitrogen or carbon dioxide, and can also be liquid inert gas, and the quick cooling agent is mainly selected to realize quick cooling and avoid oxidation of the lead alloy;
s3: selecting one lead alloy block, clamping the lead alloy block onto a plane polisher through a clamp, polishing one plane first, and polishing the polished plane through a flatness detector during polishingFlatness detection, the flatness of the plane detected by the flatness detector is less than or equal to 1mm/1000mm2(the numerical values indicate the plane is 1000mm2When the inclined height of the surface is less than or equal to 1 mm);
s4: when the flatness of one plane of the lead alloy block is in accordance with the requirement, another surface of the lead alloy block, which is parallel to the first polishing plane, is selected again for polishing, specifically, when the lead alloy block is cylindrical, two end surfaces of the cylinder are polished, and when the lead alloy block is rectangular, any two parallel side surfaces of the rectangle are polished;
s5: when the flatness of the two planes of the lead alloy block is polished to meet the requirements, taking out the lead alloy block, and placing the lead alloy block on a detection table of a direct-reading spectrum analyzer;
s6: controlling a direct-reading spectrum analyzer to analyze the components of the lead alloy block;
s7: the direct-reading spectrum analyzer transmits detected data to a processing system, the processing system integrates the detected data and then compares the integrated data with standard data stored in the system, the ratio of the component content obtained by detection to the component content of the standard data is in a specified range of 0.01-20%, the standard data can be formulated according to industrial standards, or can be formulated by pre-detecting qualified products, and can be formulated by pre-detecting the qualified products, specifically manufactured by referring to the method in the patent No. CN 104359740A;
s8: after comparison, when the deviation of the content of each component in the detected data and the content of each component in the standard data is in a specified range, all lead alloy blocks are melted and used again, and after 1h, the operation is repeated according to the steps from S1 to S7;
s9: after comparison, when the deviation of the content of each component in the detected data and the content of each component in the standard data is out of the specified range, selecting the rest lead alloy blocks to operate according to the steps of S3-S7;
s10: when the deviation of the content of each component in the detected data from the content of each component in the standard data is out of the predetermined range, it is judged that the lead alloy component is not satisfactory, and when the deviation of the content of each component in the detected data from the content of each component in the standard data is out of the predetermined range, the operation is performed according to the step of S8.
EXAMPLE III
The invention relates to a rapid detection method for lead alloy components, which specifically comprises the following steps:
s1: taking a proper amount of lead alloy melt, sequentially adding the lead alloy melt into 7 moulds, and cooling in a water bath from the outer side of the mould after pouring is finished, wherein the water bath time is 1.5min, and the lead alloy block prepared by the mould is cylindrical or rectangular;
the specific number of the dies can be calculated according to the following formula, wherein N =4T +1, wherein N is the number of the lead alloy blocks sampled once, T is the interval time between two samplings, the unit of T is h, and T is more than or equal to 0.5h and less than or equal to 1.5 h;
s2: taking out the lead alloy block from the die, spraying a quick cooling agent on the outer side of the lead alloy block for 30s, wherein the quick cooling agent is liquid nitrogen or carbon dioxide, and can also be liquid inert gas, and the quick cooling agent is mainly selected to realize quick cooling and avoid oxidation of the lead alloy;
s3: selecting one lead alloy block, clamping the lead alloy block on a plane grinding machine through a clamp, firstly grinding one plane, and during grinding, carrying out flatness detection on the ground plane through a flatness detector, wherein the flatness of the plane detected by the flatness detector is less than or equal to 1mm/1000mm2(the numerical values indicate the plane is 1000mm2When the inclined height of the surface is less than or equal to 1 mm);
s4: when the flatness of one plane of the lead alloy block is in accordance with the requirement, another surface of the lead alloy block, which is parallel to the first polishing plane, is selected again for polishing, specifically, when the lead alloy block is cylindrical, two end surfaces of the cylinder are polished, and when the lead alloy block is rectangular, any two parallel side surfaces of the rectangle are polished;
s5: when the flatness of the two planes of the lead alloy block is polished to meet the requirements, taking out the lead alloy block, and placing the lead alloy block on a detection table of a direct-reading spectrum analyzer;
s6: controlling a direct-reading spectrum analyzer to analyze the components of the lead alloy block;
s7: the direct-reading spectrum analyzer transmits detected data to a processing system, the processing system integrates the detected data and then compares the integrated data with standard data stored in the system, the ratio of the component content obtained by detection to the component content of the standard data is in a specified range of 0.01-20%, the standard data can be formulated according to industrial standards, or can be formulated by pre-detecting qualified products, and can be formulated by pre-detecting the qualified products, specifically manufactured by referring to the method in the patent No. CN 104359740A;
s8: after comparison, when the deviation of the content of each component in the detected data and the content of each component in the standard data is in a specified range, all lead alloy blocks are melted and used again, and after 1.5h, the operation is repeated according to the steps from S1 to S7;
s9: after comparison, when the deviation of the content of each component in the detected data and the content of each component in the standard data is out of the specified range, selecting the rest lead alloy blocks to operate according to the steps of S3-S7;
s10: when the deviation of the content of each component in the detected data from the content of each component in the standard data is out of the predetermined range, it is judged that the lead alloy component is not satisfactory, and when the deviation of the content of each component in the detected data from the content of each component in the standard data is out of the predetermined range, the operation is performed according to the step of S8.
The above are only preferred embodiments of the present invention, and the present invention is not limited thereto, and any modification, equivalent replacement, and improvement made to the technical solutions described in the above embodiments, and to some of the technical features thereof, are included in the scope of the present invention.
Claims (7)
1. A method for rapidly detecting components of a lead alloy is characterized by comprising the following steps: the detection method specifically comprises the following steps:
s1: taking a proper amount of lead alloy melt, sequentially adding the lead alloy melt into N moulds, and cooling in a water bath for 1-1.5min from the outer side of the mould after pouring;
s2: taking out the lead alloy block from the die, and spraying a rapid cooling agent on the outer side of the lead alloy block for 20-30 s;
s3: selecting one lead alloy block, clamping the lead alloy block on a plane grinding machine through a clamp, grinding one plane, and detecting the flatness of the ground plane through a flatness detector during grinding;
s4: when the flatness of one plane of the lead alloy block is in accordance with the requirement, polishing the other surface of the lead alloy block which is parallel to the first polishing plane;
s5: when the flatness of the two planes of the lead alloy block is polished to meet the requirements, taking out the lead alloy block, and placing the lead alloy block on a detection table of a direct-reading spectrum analyzer;
s6: controlling a direct-reading spectrum analyzer to analyze the components of the lead alloy block;
s7: the direct-reading spectrum analyzer transmits the detected data to a processing system, and the processing system integrates the detected data and compares the integrated data with standard data stored in the system;
s8: after comparison, when the deviation of the content of each component in the detected data and the content of each component in the standard data is in a specified range, all lead alloy blocks are returned to the furnace for melting and use, and after T time, the operation is repeated according to the steps from S1 to S7;
s9: after comparison, when the deviation of the content of each component in the detected data and the content of each component in the standard data is out of the specified range, selecting the rest lead alloy blocks to operate according to the steps of S3-S7;
s10: when the deviation of the content of each component in the detected data from the content of each component in the standard data is out of the predetermined range, it is judged that the lead alloy component is not satisfactory, and when the deviation of the content of each component in the detected data from the content of each component in the standard data is out of the predetermined range, the operation is performed according to the step of S8.
2. The method for rapidly detecting the composition of a lead alloy as claimed in claim 1, wherein the shape of the lead alloy block obtained by the die in the step of S1 is cylindrical or rectangular.
3. The method for rapidly detecting the components of the lead alloy as claimed in claim 2, wherein the refrigerant is liquid nitrogen or carbon dioxide.
4. The method for rapidly detecting the components of the lead alloy as claimed in claim 2, wherein the rapid cooling agent is liquid inert gas.
5. The method for rapidly detecting the components of the lead alloy as claimed in claim 3 or 4, wherein the flatness of the plane detected by the flatness detector is less than or equal to 1mm/1000mm2。
6. The method for rapidly detecting the components of the lead alloy as claimed in claim 5, wherein the ratio of the detected component content to the component content of the standard data is in a specified range of 0.01-20%.
7. The method for rapidly detecting the components of the lead alloy as claimed in claim 6, wherein N =4T +1, wherein N is the number of the lead alloy blocks sampled once, T is the interval time between two samplings, T is represented by h, and T is greater than or equal to 0.5h and less than or equal to 1.5 h.
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|---|---|---|---|---|
| CN104991047A (en) * | 2015-07-30 | 2015-10-21 | 乔治费歇尔汽车产品(昆山)有限公司 | Molten iron component confirmation method |
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| CN111020267A (en) * | 2019-12-24 | 2020-04-17 | 云南大泽电极科技股份有限公司 | Grain refiner for solid lead metal |
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2021
- 2021-10-14 CN CN202111196097.4A patent/CN113899729A/en active Pending
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| CN104991047A (en) * | 2015-07-30 | 2015-10-21 | 乔治费歇尔汽车产品(昆山)有限公司 | Molten iron component confirmation method |
| CN106198408A (en) * | 2016-07-14 | 2016-12-07 | 东风精密铸造有限公司 | Method that in casting, alloying component on-line checking and visualizing control and device thereof |
| CN110686944A (en) * | 2019-09-06 | 2020-01-14 | 中铝洛阳铜加工有限公司 | Preparation method of copper alloy standard sample |
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